Notes that conventional statistical models are not suited for analysis of nonindependent observations produced by family systems. Demonstrates how structural equation modeling enables the study of family processes in a way that is consistent with a systems perspective. Uses analysis of perceived coerciveness in two-parent, two-child families to…

We investigated how different psychophysical procedures affect frequency discrimination performance in children. Four studies used a design in which listeners heard two tone pairs and had to identify whether the first or second pair contained a higher frequency target tone. Thresholds for 6-and 7-year-olds were higher than those for 8- and…

Investigated predictors of drug treatment retention of individual clients in terms of a contextual model. Found that the socioecological variables predicted the types of clients that entered treatment in terms of clinic level (aggregate) variables, and these predicted the corresponding individual level client variables and client outcomes. (Author)

This article summarizes the design and findings of the four-year Rand Corporation study of four federal programs designed to promote change in local schools: ESEA Title III, Right to Read, the Vocational Education Act, and ESEA Title VII Bilingual Projects. (SJL)